The Large Hadron Collider

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Transcript of The Large Hadron Collider

Lesson 3.1The Large Hadron ColliderSwitzerlandFranceGermanyItalyAustriaSpainEnglandBelgiumNetherlandsThe LHC is located on the border of Switzerland and France in a town called GenevaGenevaIt has a circumference of 27km (so a radius of about 4.5km)It is the most expensive Science Experiment ever conducted costing well over 7.5 Billion EurosThe aim of this experiment was to find the elusive Higgs Boson, a particle predicted by modern particle theory to be responsible for other particles having mass.In 2012 it successfully confirmed the discovery of the Higgs Boson before shutting down for some upgrades. It has recently been restarted, running at twice the collision energy of the first run (~14TeV).ALICE - is a detector built to investigate the properties of the quark-gluon plasma, by recreating the conditions just after the big bang. This state of matter is important in the area of Quantum Chromodynamics (QCD). LHCb - A smaller detector that aims to investigate the reasons why our Universe is made up primarily of matter and not anti-matter.CMS is a small but heavy, general purpose detector that has been used in the search for the Higgs Boson as well as investigating extra dimensions and particles that could make up dark matter.ATLAS - the biggest detector standing at 25 meters tall and weighing over 7,000 tonnes, ATLAS employed over 3000 scientists in the search for the Higgs. It is now being used to test for new models of physics including broken supersymmetry.There are 4 main experiments that are stationed around the LHC.